package net.liangyihui.dtbos.common.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @Author by Miaohy
 * @date 2019/12/20 11:49
 * @Version
 */
@Component
public class SpringUtils implements ApplicationContextAware {

		private static ApplicationContext applicationContext;

		@Override
		public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
			SpringUtils.applicationContext = applicationContext;
		}

		//获取applicationContext
		public static ApplicationContext getApplicationContext() {
			return applicationContext;
		}

		//通过name获取 Bean.
		public static Object getBean(String name) {
			return getApplicationContext().getBean(name);
		}

		//通过class获取Bean.
		public static <T> T getBean(Class<T> clazz) {
			return getApplicationContext().getBean(clazz);
		}

		//通过name,以及Clazz返回指定的Bean
		public static <T> T getBean(String name, Class<T> clazz) {
			return getApplicationContext().getBean(name, clazz);
		}
}
